无机盐工业
主管:中海油天津化工研究设计院有限公司
主办:中海油天津化工研究设计院有限公司
   中海油炼油化工科学研究院(北京)有限公司
   中国化工学会无机酸碱盐专业委员会
ISSN 1006-4990 CN 12-1069/TQ

无机盐工业 ›› 2019, Vol. 51 ›› Issue (6): 72-75.

• 催化材料 • 上一篇    下一篇

金属负载方式对Al-SBA-15/USY分子筛加氢裂化催化剂的影响

朱金剑1,2,张景成1,2,南军1,2,孙彦民1,2   

  1. 1. 中海油天津化工研究设计院有限公司,天津 300131
    2. 天津市炼化催化技术工程中心
  • 收稿日期:2019-01-16 出版日期:2019-06-10 发布日期:2020-05-12
  • 作者简介:朱金剑(1986— ),男,硕士研究生,工程师,研究方向为炼油加氢催化剂;E-mail:zjjkaoyan2009@163.com。
  • 基金资助:
    凝胶直接成型法制备加氢催化剂及应用技术研究(CNOOC-KJ135ZDXM32TJY001-2017)

Effect of metal loading method on the Al-SBA-15/USY molecular sieve to hydrogen cracking catalyst

Zhu Jinjian1,2,Zhang Jingcheng1,2,Nan Jun1,2,Sun Yanmin1,2   

  1. 1. CenerTech Tianjin Chemical Research and Design Institute Co.,Ltd.,Tianjin 300131,China
    2. Tianjin Refining and Catalytic Technology Engineering Center
  • Received:2019-01-16 Online:2019-06-10 Published:2020-05-12

摘要:

以Al-SBA-15/USY复合分子筛为主要成分,分别采用浸渍法、混捏法制备了催化剂。对催化剂进行了透射电镜(TEM)、氢程序升温还原(H2-TPR)、氨程序升温脱附(NH3-TPD)、氮气吸附-脱附表征。结果表明,催化剂具有微孔-介孔孔道,而且采用浸渍法制备的催化剂的孔容达到0.34 mL/g、孔径达到5.5 nm、酸量达到0.265 mmol/g,均高于混捏法制备的催化剂。以减压蜡油(VGO)为原料在200 mL评价装置上对催化剂进行评价。结果表明,与混捏法制备的催化剂相比,浸渍法制备的催化剂的中间馏分油收率提高1.6%、选择性提高1.9%。

关键词: Al-SBA-15/USY复合分子筛, 金属负载方式, 加氢裂化催化剂

Abstract:

Using Al-SBA-15/USY composite molecular sieves as main components,different catalysts were prepared by leach- ing method and kneading method.The catalyst was characterized by transmission electron microscopy(TEM),temperature program reduction(H2-TPR),temperature programmed desorption of ammonia(NH3-TPD) and nitrogen absorption/desorption. The results showed that the catalyst had microporous-mesoporous pores,and the pore volume of the catalyst prepared by leaching method reached 0.34 mL/g,the pore diameter reached 5.5 nm and the acid content reached 0.265 mmol/g,which was all higher than that of the catalyst prepared by kneading method.The catalyst was evaluated on a 200 mL evaluation apparatus using reduced pressure wax oil(VGO) as a raw material. The results showed that the middle distillate yield of the catalyst prepared by leaching method was increased by 1.6% and the selectivity was increased by 1.9% compared with the catalyst prepared by the kneading method.

Key words: Al-SBA-15/USY composite molecular sieve, metal loading method, hydrogen cracking catalyst

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